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Astrospheric Sky ForecastCan MHAA help me with my telescope?
Absolutely! Feel free to ask us any questions through our Groups.io discussion group, the MHAA Slack workspace (if you’re a paid member), through our contact us form, in person at events, etc. If it’s a question about the actual setup and use of your scope you may find a hands on demonstration useful, so bring…
Read MoreSky Safari / Sky Portal
Sky Safari is a very mature and featureful planetarium app from Simulation Curriculum Corp available on Android, iOS, and macOS. There are at least three versions of Sky Safari from plus a Celestron-specific version called Sky Portal available on Android and iOS. App Versions Sky Safari – Astronomy App (Free)Entry level app with plenty of…
Read MoreAlt-Az vs Equatorial
Astronomy.Tools
Achromatic Telescopes
Simply put, when multicolor light (like white light) enters a new medium (like glass), the different colors bend at different angles. This spreading out of the colors is referred to as chromatic dispersion and means that the each color will reach focus at a slightly different point. Visibly, when you focus you will see the…
Read MoreApochromatic Telescopes
When multicolor light (like white light) enters a new medium (like glass), the different colors bend at different angles. This spreading out of the colors is referred to as chromatic dispersion and means that the each color will reach focus at a slightly different point making it impossible to focus your eyepiece on all of…
Read MoreTypes of OTAs
Telescopes can generally be divided into three categories based on their optical design: Refractors (dioptrics) – These use only lenses to refract (bend) the light into focus Reflectors (catoptrics) – These use only mirrors to reflect the light into focus Catadioptrics – Use a combination of lenses and mirrors to both refract and reflect the…
Read MoreDobsonian Telescopes (“Dobs”)
Schmidt-Cassegrain Telescopes (SCT)
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